Comparable satisfaction and clinical outcomes after surgery for adolescent idiopathic scoliosis in the adult (AISA) between the US and Japan.

dc.contributor.author

Yagi, Mitsuru

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Ames, Christopher P

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Hosogane, Naobumi

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Smith, Justin S

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Shaffrey, Christopher I

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Schwab, Frank J

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Lafage, Virginie

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Bess, Shay

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Matsumoto, Morio

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Watanabe, Kota

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International Spine Study Group (ISSG)

dc.date.accessioned

2023-06-15T16:46:11Z

dc.date.available

2023-06-15T16:46:11Z

dc.date.issued

2023-01

dc.date.updated

2023-06-15T16:46:10Z

dc.description.abstract

Background

The impact of ethnicity on the surgery outcomes of adolescent idiopathic scoliosis in the adult (AISA) is poorly understood. This study aimed to compare the surgery outcomes for AISA between the United States (US) and Japan (JP).

Methods

171 surgically treated AISA (20-40y) were consecutively collected from 2 separate multicenter databases. Patients were propensity-score matched for age, gender, curve type, levels fused, and 2y postop spinal alignment. Demographic and radiographic parameters were compared between the US and JP at baseline and 2y post-op.

Results

A total of 108 patients were matched by propensity score (age; US vs. JP: 29 ± 6 vs. 29 ± 7y, females: 76 vs. 76%, curve type [Schwab-SRS TypeT; TypeD; TypeL; TypeN]: 35; 35; 30; 0 vs. 37; 33; 30; 0%)] levels fused: 10 ± 4 vs. 10 ± 4, 2y thoracic curve:17 ± 13 vs. 17 ± 12°, 2y CSVL: 10 ± 8 vs. 11 ± 9 mm). Similar clinical improvement was achieved between US and JP (function; 4.2 ± 0.9 vs 4.3 ± 0.6, p = 0.60, pain; 3.8 ± 0.9 vs 4.1 ± 0.8, p = 0.13, satisfaction; 4.3 ± 0.9 vs 4.2 ± 0.7, p = 0.61, total; 4.0 ± 0.8 vs 4.1 ± 0.5, p = 0.60). The correlation analyzes indicated that postoperative SRS-22 subdomains correlated differently with satisfaction (all subdomains moderately correlated with satisfaction in the US while only pain and mental health correlated moderately with satisfaction in JP ([function: r = 0.61 vs 0.29, pain: r = . 72 vs 0.54, self-image: r = 0.72 vs 0.37, mental health: r = 0.64 vs 0.55]).

Conclusions

Surgery for AISA was similarly effective in the US and JP. Satisfaction for spinal surgery among patients in different countries may not be different unless the procedure limits an individual's unique lifestyle that the patient expected to resume.
dc.identifier

S0949-2658(21)00286-4

dc.identifier.issn

0949-2658

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1436-2023

dc.identifier.uri

https://hdl.handle.net/10161/27986

dc.language

eng

dc.publisher

Elsevier BV

dc.relation.ispartof

Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association

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10.1016/j.jos.2021.08.014

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International Spine Study Group (ISSG)

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Spine

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Humans

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Kyphosis

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Scoliosis

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Pain

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Treatment Outcome

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Spinal Fusion

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Retrospective Studies

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Personal Satisfaction

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Adolescent

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Adult

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Patient Satisfaction

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United States

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Japan

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Female

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Male

dc.title

Comparable satisfaction and clinical outcomes after surgery for adolescent idiopathic scoliosis in the adult (AISA) between the US and Japan.

dc.type

Journal article

duke.contributor.orcid

Shaffrey, Christopher I|0000-0001-9760-8386

pubs.begin-page

92

pubs.end-page

97

pubs.issue

1

pubs.organisational-group

Duke

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School of Medicine

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Clinical Science Departments

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Orthopaedic Surgery

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Neurosurgery

pubs.publication-status

Published

pubs.volume

28

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